Correctly handle multibype hyphens in XXXX-XXXX

tests/NodaTimeSplitterTest.php

@@ -164,7 +164,7 @@ final class NodaTimeSplitterTest extends TestCase {
                 new NodaSplitTime('1930', '2017',
                     start_date: '1930-01-01',
                     end_date: '2017-12-31'),
-                "1930–2017",
+                "1930-2017",
             ],
         ];